Turkish newspaper Sabah reported the names of 15 Saudi intelligence agents who were involved in the disappearance of Saudi journalist Jamal Khashoggi.
The Sabah newspaper reported their birthdays and said they arrived at Ataturk airport on October 2.
According to photographs published and captured in passports, 12 of them arrived early that morning.
All 15 officials left the country on four different dates, the newspaper said.
The report said the Saudis had lodged at the Wyndham and Mövenpick hotels in Istanbul.
The Reuters news agency reported that among the men who published Sabah their pictures and names are a forensic expert.
Saudi authorities have not commented on the reports.